byte button_ped_Pin = 13; 
byte button_ped_Value; 

byte button2Pin = 2; 
byte button2Value;

byte led1Pin = 10;
byte led2Pin = 4; 

bool led_ped_on = false; 
bool led2_on = false;

int delay_ped = 4000;
unsigned long pedTimer; 

void setup() {
  pinMode(button_ped_Pin, INPUT_PULLUP); 
  pinMode(button2Pin, INPUT_PULLUP);

  pinMode(led1Pin, OUTPUT);
  pinMode(led2Pin, OUTPUT);  
  Serial.begin(9600); 

}

void loop() {

  button_ped_Value = digitalRead(button_ped_Pin); 
 
   if (button_ped_Value == LOW ) {
    led_ped_on = true;
    Serial.println("Pedestrian request registered");  
  } 

  if (led_ped_on) {
    digitalWrite(led1Pin, HIGH);
    pedTimer = millis();
    Serial.println("Processing pending cyclist request") ;
  }

  if (millis() - pedTimer > delay_ped) {
    led_ped_on = false; 
    Serial.println("Pedistrian request ending"); 
    digitalWrite(led1Pin, LOW); 
  }
}